Exchange 365

Exchange Server hosted as a service

The complexities of managing Exchange Server make it attractive for organisations to purchase it as a hosted service.

Third-party providers


This has been possible from a number of providers for more than 10 years, but as of June 2018 is that many providers have been marketing the service as "cloud computing" or "Software-as-a-Service." Exchange hosting allows for Microsoft Exchange Server to be running in the Internet, also referred to as the Cloud, and managed by a "Hosted Exchange Server provider" instead of building and deploying the system in-house.


Microsoft Exchange Online is an email, calendar, and contacts solution delivered as a cloud service, hosted by Microsoft and our partner world4you. It is essentially the same service offered by hosted Exchange providers and it is built on the same technologies as Microsoft Exchange Server. Exchange Online provides end users with a familiar email experience across PCs, the Web and mobile devices, while giving IT administrators or small businesses and professionals web-based tools for managing their online deployment.[Microsoft Exchange is available both as on-premises software and as a hosted service with Exchange Online. Customers can also choose to combine both on-premises and online options in a hybrid deployment.

A hybrid deployment can serve as an intermediate step between an on-premises and a fully hosted Exchange solution. This configuration provides a wealth of features such as allowing organizations to better migrate user mailboxes providing the ability to not only move on-premises mailboxes to Exchange Online, but from Exchange Online back to the on-premises server, cloud-based message archiving for on-premises mailboxes and centralized mailbox management for both infrastructures, to name a few.

With the necessity of on-premises servers; namely an Exchange Server and an Azure Active Directory synchronization server, there is a resource overhead to implement a hybrid solution. Hybrid implementations remain a popular choice for organizations that are unsure of the need or urgency to do a full cut-over to Exchange Online; also allowing for staggered email migration.

Hybrid monitoring and reporting tools cover the main on-premises stack of Microsoft Exchange, Skype for business, SharePoint, Windows, and Active Directory servers, in addition to using replica data to report cloud user experience. The monitoring of servers is important to the optimal maintenance of the server infrastructure, as well as, cloud reporting to monitor user experience.

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